Existing software often needs to interact with other systems, devices or external services. I help companies implement interfaces in a practical way, extend them cleanly and stabilize them reliably in live operation.
I connect existing applications, databases, web systems and devices so that data reliably arrives where it is needed in day-to-day work.
Whether ERP, web services, SAP, scanners, POS, PLCs or custom data imports: success depends not only on the technical connection itself, but also on robust processing in day-to-day use. Interfaces need to be understandable, maintainable and resilient.
REST, SOAP, web services, OAuth, Microsoft Graph and custom integrations between existing applications.
Data imports, XML processing, backend integrations and connectivity within grown system landscapes.
POS systems, scanners, mobile devices, PLCs, technical infrastructure and adjacent services in productive environments.
Error analysis, logging, robust processing, incremental enhancements and maintainable further development.
Design and development of an ERP system including finance, quality-management-related functionality, integrations, multilingual support and further functional extensions.
Implementation of a medication safety check including POS integration and a WCF/SOAP web service in a production healthcare solution.
Development of applications and services in C#, PLC connectivity via OPC UA, and XML-based data import into SAP.
Android app for warehouse processes with backend connectivity via REST and OAuth2.
XML processing, web-service-based transfers and email delivery via Microsoft Graph with OAuth for business applications.
This support is especially useful if you need to connect existing software to other systems, stabilize a fragile interface, or implement custom integrations that standard products do not cover well.
I work effectively with existing systems, take live operation into account and implement integrations in a way that is not only technically sound, but also maintainable in the long term.
I support analysis, implementation and further development of custom interfaces.
The most important points about API connections, data imports, device integration, existing interfaces and stable system networking during ongoing operation.
I support custom interfaces between existing applications, databases, web systems, external services and technical devices. This can include REST APIs, SOAP web services, data imports, exports, XML processing, OAuth connections or specific integrations into established system landscapes.
Yes. Existing integrations can be analyzed, made easier to understand and stabilized step by step. Typical topics include error analysis, logging, more robust processing, better traceability and controlled extensions during ongoing operation.
Yes. I support data integrations, imports, exports and interfaces to existing business systems such as ERP, CRM, SAP, accounting systems or internal specialist applications. The aim is to transfer data reliably between systems and reduce manual intermediate steps.
Yes. In addition to pure software interfaces, devices, mobile scanners, POS systems, PLC controls or technical infrastructure can also be connected. What matters is not only the technical connection, but also robust processing that works reliably in everyday production use.
No. It is often more sensible to extend existing solutions, improve existing data paths or revise individual critical areas in a targeted way. This allows existing systems to continue being used while the integration gradually becomes more stable, maintainable and easier to trace.
For the first step, a brief description is usually enough: which systems need to be connected, which data has to be exchanged and where problems currently occur. Technical details such as API documentation, sample data, error messages or existing import and export formats can then be reviewed together.
